Re: 60 Gbp traffic monitoring with sflow

> On 25 Mar 2019, at 16:32, Satish Patel <[email protected]> wrote:
> 
> Thanks Simone,
> 
> I will try that, but big issue currently NTOP licensing :( i have very
> high traffic so 24000 flow limit ran over in 5 minute or so, is there
> a way i get get demo for 24 hour or so to get good time to understand
> and device to buy product?
> 
> Is it possible to get little longer period license?

Sure, 

Contact us at https://www.ntop.org/support/need-help-2/contact-us/ and request for a demo.



> 
> On Mon, Mar 25, 2019 at 6:25 AM Simone Mainardi <[email protected]> wrote:
>> 
>> I would start experimenting with one in  6 * 2000 = 12 000 and see. Then you can adjust depending on the volume of traffic generated / possible load on the switches / detected sFlow drops.
>> 
>>> On 24 Mar 2019, at 15:55, Satish Patel <[email protected]> wrote:
>>> 
>>> Thanks for reply,
>>> 
>>> Based on document 1Gbps = 2000 sample rate so in my case I have 80Gbps link speed and my traffic rate is 60Gbps so should I do 60x2000=120000?
>>> 
>>> Sent from my iPhone
>>> 
>>>> On Mar 23, 2019, at 3:32 AM, Simone Mainardi <[email protected]> wrote:
>>>> 
>>>> Hello Satish,
>>>> 
>>>> We have users doing 20+ Gbps with sFlow using the combination of nProbe + ntopng. sFlow is a sampling technology so, assuming sampling rates are configured opportunely, you won't have any issue.
>>>> 
>>>> See https://blog.sflow.com/2009/06/sampling-rates.html for recommended sampling rates.
>>>> 
>>>> For a guide on how to setup the collection using nProbe and ntopng see this blog post: https://www.ntop.org/nprobe/sflow-collection-and-analysis-with-nprobe-and-ntopng/
>>>> 
>>>> Simone
>>>> 
>>>>> On 21 Mar 2019, at 17:45, Satish Patel <[email protected]> wrote:
>>>>> 
>>>>> Folks,
>>>>> 
>>>>> We have 60Gbps peak bandwidth usage on our public with ISP and now i
>>>>> want to monitor data usage with sFlow and wanted understand that does
>>>>> ntopng can handle that level of traffic or sample rate?
>>>>> 
>>>>> Do i need any special configuration to handle this?
>>>>> Do i need special hardware ?
>>>>> 
>>>>> Any suggestions would be appreciated.
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